2216953 has 4 divisors (see below), whose sum is σ = 2347380. Its totient is φ = 2086528.

The previous prime is 2216941. The next prime is 2216957. The reversal of 2216953 is 3596122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1658944 + 558009 = 1288^2 + 747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2216957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65188 + ... + 65221.

It is an arithmetic number, because the mean of its divisors is an integer number (586845).

2^2216953 is an apocalyptic number.

It is an amenable number.

2216953 is a deficient number, since it is larger than the sum of its proper divisors (130427).

2216953 is a wasteful number, since it uses less digits than its factorization.

2216953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130426.

The product of its digits is 3240, while the sum is 28.

The square root of 2216953 is about 1488.9435852308. The cubic root of 2216953 is about 130.3923648722.

It can be divided in two parts, 22169 and 53, that added together give a palindrome (22222).

The spelling of 2216953 in words is "two million, two hundred sixteen thousand, nine hundred fifty-three".